it seems to be a new bug.
i select 3D Cell to import but the select line stay empty!
See also my Mail to MGC 2013-05-28:
Your SR has been linked to DR/ER #: 00970430
Customer Applications Engineer Assigned: Elmar Bunk
SR #: 2558082374
SR Description: 3D Cell Import / Select Import File FAILED
To view or update your SR, click here:
DR/ER #: 00970430
DR/ER Description: can't import 3D Files
DR/ER Status: Submitted
Workaround Available No
Last Updated 27 Jun 2013
DR/ER Product: SDD_3D_Viewer
Engineering Note: Validated: QA completed and passing. Queued for final release build. Fixed in 3D Viewer.
This defect is fixed in EE7.9.4 Update 18 and EE7.9.5 Update 6